{"cik":"0001208477","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"CSFB MORTGAGE-BACKED PASS-THROUGH CERTIFICATES SER 2002-AR31","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"11 MADISON AVENUE","street2":"4TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10010","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"11 MADISON AVENUE","street2":"4TH FL.","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10010","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2123252000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001051170-04-000209","0001162318-03-000156","0001051170-03-000270","0001051170-03-000103","0001051170-03-000028","0000950117-02-002901"],"filingDate":["2004-03-25","2003-04-18","2003-04-01","2003-01-30","2003-01-06","2002-12-02"],"reportDate":["2002-12-31","2003-04-18","2002-12-31","","2002-12-26",""],"acceptanceDateTime":["2004-03-25T22:19:11.000Z","2003-04-18T17:14:41.000Z","2003-03-31T23:09:51.000Z","2003-01-30T18:41:34.000Z","2003-01-06T20:32:24.000Z","2002-12-02T22:21:50.000Z"],"act":["","","","","",""],"form":["10-K/A","8-K","10-K","15-15D","8-K","424B5"],"fileNumber":["333-77054-33","333-77054-33","333-77054-33","333-77054-33","333-77054-33","333-77054-33"],"filmNumber":["04690440","03655523","03632412","03531637","03504986","02846315"],"items":["","5","","","5,7",""],"core_type":["10-K/A","8-K","10-K","15-15D","8-K","424B5"],"size":[39767,1549713,12238,4047,47671,1256493],"isXBRL":[0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null],"primaryDocument":["csfb02ar31_10ka.txt","form8k.htm","csfb02ar31_10kmar03.txt","csfb02ar31_form15.txt","csfb02ar31_8kdec02.txt","a33830.txt"],"primaryDocDescription":["12/31/02","FORM 8-K","DECEMBER 31, 2002","FORM 15  JANUARY 30, 2003","DECEMBER 26, 2002 PDS","CREDIT SUISSE FIRST BOSTON"]},"files":[]}}